public ActionResult XoaKhachHang(int idKH)
        {
            IKhachHangService serviceKH = new KhachHangService();

            serviceKH.XoaKhachHang(baseAddress, $"khachhang/xoakhachhang?idKH={idKH}");

            return(RedirectToAction("DanhSachKhachHang"));
        }